Bull elk (Cervus canadensis) bugling, Denver, Colorado, United States of America

winter frost frosty frozen cold outdoors day daytime animal color colour close up communication america brown portrait american call fog standing snowy usa foggy elk antlers wapiti communicating calling us us antler wintertime co side view the states portraits bull elk full length bugling animal behaviour selective focus animals vocalization wildlife snow outside trees colorado tree one animal color image cervus canadensis united states of america close up non urban scene animals in the wild colour image no people the rocky states male animal male animals mating call looking left animal behaviours vocalizations closeup usa state of colorado mating calls